var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var { expressjwt:jwt} = require("express-jwt");

var aRouter = require('./routes/a');
var usersRouter = require('./routes/users');
var uploadRouter = require('./routes/upload');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));




app.use(
  jwt({
    secret: "ttt123",
    algorithms: ["HS256"],
  }).unless({ 
    path: [
      "/users",
      /^\/a\/users\/w+/, 
      {
        url:/^\/a\/w+/,
        module:["GET"],
      },
    ],
  })
);


app.use('/', aRouter);
app.use('/users', usersRouter);
app.use('/upload', uploadRouter);


app.use(function(err,req,res,next){
  if (err.name === "UnauthorizedError"){
    res
      .status(401)
      .json({ code:0, msg: "无效token"})
  }else{
    next(err)
  }
})


// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
